The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Morro Bay you can determine when it's a good idea to plant cauliflower by using the USDA zone info.

Planting Calendar for Cauliflower

Frost tolerance for cauliflower:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Since cauliflower are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant cauliflower in Morro Bay is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant cauliflower and expect a good harvest is probably October. If you wait any later than that and your cauliflower may not have a chance to grow to maturity. Starting your cauliflower indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Morro Bay. It might get as low as 25°F during the coldest months of winter.

Since the USDA zone info for Morro Bay is not always accurate the actual date of last frost will vary from year to year. Half of the time in Morro Bay last frost occurs after February 15 so make sure that you are ready to protect your cauliflower in the event of a surprise late frost.

USDA Zone Info for Morro Bay

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Morro Bay

You may be interested in your other planting guides for Morro Bay.